目的 探讨出血型烟雾病的CT影像学特点。方法 回顾性分析25例出血型烟雾病患者的CT影像学资料,分析出血部位与侧支血管形成及灌注特点的关系。结果 3例在左侧丘脑区及额叶出现局限性高灌注表现,22例未发现灌注异常;10例(40%)出血部位为丘脑,8例(32%)出血部位为脑室内,7例(28%)出血部位为蛛网膜下腔;25例(100%)均出现不同程度的侧支血管代偿情况。结论 出血型烟雾病脑灌注特点大多数表现为正常或局限性高灌注,这与出血部位及侧支血管形成情况有密切关联。
Abstract
Objective To analyze CT manifestations of cerebral perfusion imaging of hemorrhagic moyamoya disease. Methods A retrospective analysis was made of the CT cerebral perfusion imaging data of 25 patients with hemorrhagic moyamoya disease, and the correlation between the bleeding site, the formation of collateral vessels and perfusion characteristics was explored. Results Three of the patients showed localized hyperperfusion in the left thalamic and frontal lobes, and 22 showed normal perfusion. Ten cases (40%) developed bleeding in the thalamus, eight cases (32%) in the ventricle and seven cases (28%) in subarachnoid. There was compensation of collateral vessels to different degrees in all the patients (100%). Conclusions Hemorrhagic moyamoya disease is characterized by normal perfusion or localized hyperperfusion, which is closely associated with the bleeding site and collateral vessel formation.
关键词
出血型烟雾病 /
影像
Key words
hemorrhagic moyamoya disease /
imaging
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参考文献
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基金
全军医药卫生科研基金课题(MS074),江西省卫生厅科技计划项目(20142083)
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